/*
 * Copyright 2017 - 2024 the original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see [https://www.gnu.org/licenses/]
 */

package infra.context.condition;

import java.io.IOException;
import java.net.URL;
import java.util.Collections;
import java.util.Enumeration;

/**
 * Used as the thread context classloader to prevent {@code jndi.properties} resources
 * found on the classpath from triggering configuration of an InitialContextFactory.
 *
 * @author Andy Wilkinson
 */
public class JndiPropertiesHidingClassLoader extends ClassLoader {

  public JndiPropertiesHidingClassLoader(ClassLoader parent) {
    super(parent);
  }

  @Override
  public Enumeration<URL> getResources(String name) throws IOException {
    if ("jndi.properties".equals(name)) {
      return Collections.emptyEnumeration();
    }
    return super.getResources(name);
  }

}
